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The Bones of the Thorax


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     The chest or the thorax, also known as the thoracic cage, mainly includes the ribs: these long flat bone that bend and meet at the front, at the sternum. This cage protects the lungs and the heart, and it forms a sealed cavity (sealed at the base by the diaphragm, and open only at the top, to the airways), allowing gas exchanges.

    Here are a few anatomical plates about the chest. Click on the figures for a detailed view and nomenclature. You will see the ribs, the sternum, the scapula, the clavicle and the vertebral column.

Ventral view of the thorax skeleton.

Dorsal view of the thorax skeleton.
Top of the page.      TEXT© 2000-2015 René St-Jacques